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      1 /*
      2  * Copyright (C) 2008 The Guava Authors
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  * http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.google.common.collect.testing;
     18 
     19 import java.util.Iterator;
     20 
     21 /**
     22  * Adapts a test iterable generator to give a TestIteratorGenerator.
     23  *
     24  * <p>This class is GWT compatible.
     25  *
     26  * @author George van den Driessche
     27  */
     28 public final class DerivedTestIteratorGenerator<E>
     29     implements TestIteratorGenerator<E> {
     30   private final TestSubjectGenerator<? extends Iterable<E>>
     31       collectionGenerator;
     32 
     33   public DerivedTestIteratorGenerator(
     34       TestSubjectGenerator<? extends Iterable<E>> collectionGenerator) {
     35     this.collectionGenerator = collectionGenerator;
     36   }
     37 
     38   public TestSubjectGenerator<? extends Iterable<E>> getCollectionGenerator() {
     39     return collectionGenerator;
     40   }
     41 
     42   @Override
     43   public Iterator<E> get() {
     44     return collectionGenerator.createTestSubject().iterator();
     45   }
     46 }
     47